Changes in the lower trophic levels as a
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István Tátrai; János Oláh; Gábor Paulovits; Kálmán Mátyás; Barbara J. Kawiecka;
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Article
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1997
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John Wiley and Sons
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English
⚖ 548 KB
## Abstract Cyprinid fish of different mature age classes (3+ ‐4+) and stocks (100, 300 and 500 kg/ha) were introduced into each of three experimental ponds with area of 0.3 ha (average depth ca 1.7 m) while the fourth pond was left free of fish. Bream (__Abramis brama__ L.), white bream (__Blicca